764375808 has 72 divisors (see below), whose sum is σ = 2324992768. Its totient is φ = 218391552.

The previous prime is 764375791. The next prime is 764375809. The reversal of 764375808 is 808573467.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (764375809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65716 + ... + 76467.

Almost surely, 2^764375808 is an apocalyptic number.

It is an amenable number.

764375808 is an abundant number, since it is smaller than the sum of its proper divisors (1560616960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

764375808 is a wasteful number, since it uses less digits than its factorization.

764375808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142209 (or 142195 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The square root of 764375808 is about 27647.3472145159. The cubic root of 764375808 is about 914.3286137609.

The spelling of 764375808 in words is "seven hundred sixty-four million, three hundred seventy-five thousand, eight hundred eight".